External Communication & Charging Coils

Reliable Wireless Power and Data Transfer for Next-Generation Medical Devices

Custom External Coil Design — Built for Wireless Medical Innovation

Precision Engineering Capabilities

Precision Engineering Capabilities

We specialize in external coil technologies that maximize performance in medical wireless systems:

  • Ultra-fine wire winding optimized for specific coupling distances
  • Patented 55° angular winding for improved signal intensity
  • Compact, flexible designs for tight enclosures and patches
  • Low-heat, high-reliability operation in sensitive environments
  • Magnetic simulation using FEM and system-level tools
  • Optimized core materials and shield placement

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Built to Industry Standards

Built to Industry Standards

All external coils are manufactured to meet critical medical requirements:

  • ISO 13485 Medical Device Quality Management Systems
  • IEC 60601 Medical Electrical Equipment Safety
  • SAR (Specific Absorption Rate) limitations
  • EMI/EMC compliance standards

With extensive experience in wireless medical systems, our coils deliver field-validated performance and reliability.

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Typical Applications

Typical Applications

Our external communication and charging coils power systems across:

  • Wireless power transfer systems for implanted medical devices
  • Transcutaneous energy transfer (TET) applications
  • Bidirectional telemetry for cardiac monitors and neurostimulators
  • Smart wearable systems and skin-adherent health patches
  • Charging and communication interfaces for implantable devices
  • Remote patient monitoring systems

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From Design to Integration

From Design to Integration

Our team supports your development process with:

  • Definition and simulation of magnetic coupling efficiency
  • Design for manufacturability in low-profile applications
  • Validation through in-house testing and system modeling
  • Integration support with power management circuitry
  • Performance optimization across various clinical scenarios

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Precision Wound Coils for Next-Generation Implantable Technologies

Custom-engineered external coils for seamless energy and data transmission in modern medical devices. With specialized expertise in wireless power transfer and telemetry, TT Electronics designs and manufactures high-performance external communication and charging coils optimized for efficiency, signal integrity, and patient safety.

From transcutaneous energy transfer (TET) systems to wearable health monitors and implant charging platforms, we enable reliable wireless connectivity through and around the human body.

We don't just transfer power. We bridge devices and data.

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